<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="icon rainy">
        <div class="cloud"></div>
        <div class="rain"></div>
    </div>
    <style>
        body {
            padding: 280px 255px;
            background-color: currentColor;
        }

        .cloud {
            position: absolute;
            z-index: 1;
            width: 3.6875em;
            height: 3.6875em;
            margin: -1.84375em;
            background: currentColor;
            border-radius: 50%;
            box-shadow:
                -2.1875em 0.6875em 0 -0.6875em,
                2.0625em 0.9375em 0 -0.9375em,
                0 0 0 0.375em lightgray,
                -2.1875em 0.6875em 0 -0.3125em lightgray,
                2.0625em 0.9375em 0 -0.5625em lightgray;
        }

        .cloud:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: -0.5em;
            display: block;
            width: 4.5625em;
            height: 1em;
            background: currentColor;
            box-shadow: 0 0.4375em 0 -0.0625em lightgray;
        }

        .rain {
            position: absolute;
            z-index: 2;
            top: 50%;
            left: 20%;
            width: 3.75em;
            height: 3.75em;
            margin: 0.375em 0 0 -2em;
            background: currentColor;
        }

        .rain:after {
            content: '';
            position: absolute;
            z-index: 2;
            top: 50%;
            left: 50%;
            width: 1.125em;
            height: 1.125em;
            margin: -1em 0 0 -0.25em;
            background: #0cf;
            border-radius: 100% 0 60% 50% / 60% 0 100% 50%;
            box-shadow:
                0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2),
                -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2),
                -1.375em -0.125em 0 rgba(255, 255, 255, 0.2);
            transform: rotate(-28deg);
            animation: rain 3s linear infinite;
        }

        @keyframes rain {
            0% {
                background: #0cf;
                box-shadow:
                    0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -1.375em -0.125em 0 #0cf;
            }

            25% {
                box-shadow:
                    0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -0.875em 1.125em 0 -0.125em #0cf,
                    -1.375em -0.125em 0 rgba(255, 255, 255, 0.2);
            }

            50% {
                background: rgba(255, 255, 255, 0.3);
                box-shadow:
                    0.625em 0.875em 0 -0.125em #0cf,
                    -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -1.375em -0.125em 0 rgba(255, 255, 255, 0.2);
            }

            100% {
                box-shadow:
                    0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2),
                    -1.375em -0.125em 0 #0cf;
            }
        }
    </style>
</body>

</html>